A deep-sea large-capacity adjustable double-receiving type partial static seal winch device

Abstract

The present invention belongs to the technical field of underwater equipment, and particularly relates to a deep-sea large-capacity adjustable double-receiving type local static-sealing winch device. The device mainly consists of a frame, a connecting bracket, a circular stepped winch, an embedded end cover and a floating body baffle, a floating body counterweight block, a fairing, and an internal structure magnetic coupling and a motor; wherein, the circular stepped winch is a long cylinder with steps both inside and outside, the external steps are used for fixing and limiting the floating body baffle, and the internal steps are used for fixing and limiting the magnetic coupling, the motor and the electronic component assembly. The present invention adopts a split-type underwater winch; there is no volume limitation, which can not only greatly improve the working range of the detector, but also add floating body materials to reduce the pressure caused by insufficient buoyancy of the floating buoy, so as to carry more sensor devices. At the same time, the double-receiving and releasing cable structure of the present invention can well solve the problems of insufficient running speed and cable offset during cable receiving and releasing. The double-sided simultaneous cable receiving and releasing ensures that the total force is on the same center line, ensuring the stability of the device.

Description

Technical Field

[0001] The present invention belongs to the technical field of underwater equipment, and particularly relates to a deep-sea large-capacity adjustable double-receiving type local static-sealing winch device. Background Art

[0002] The ocean vertical profile detector mainly consists of three parts: a buoy (sensor), a winch (cable retracting and releasing device), and a base (fixed positioning). Most of the winches used in current detectors are integrated into the buoy or the base. Even with an integrated and compact design, it is still extremely large and heavy for the buoy. However, if it is integrated into the base, although there are no restrictions on weight and size, the cost is expensive and the reusable winch almost becomes a disposable device. The detectors range from hundreds of meters to several kilometers. The winch integrated into the base needs to operate under high pressure all the time, resulting in an increase in the failure rate and the salvage cost.

[0003] At the same time, most current underwater winches adopt a single-side cable-receiving design. Due to the large torque requirement at the seabed, the operating speed of the device is relatively low. To increase the operating speed, a larger motor needs to be replaced and more energy consumption is required, which will further increase the volume of the underwater winch. Moreover, due to the regular cable laying of the cable dispenser, the device will shift during cable retracting and releasing.

[0004] Compared with the traditional integrated underwater winch design, the split-type underwater winch has great advantages. However, due to the split design, the winch is exposed in the ocean. As a special-shaped body in the cable, the fluid will exert a force on the device, resulting in device instability.

[0005] Regarding problems such as the weight and volume limitations of the underwater winch, the complexity of the dynamic sealing structure, and the device offset caused by cable retracting and releasing, the existing treatment methods can only solve some problems to a certain extent by continuously reducing the available space, using overall sealing instead of split sealing, and adopting a guide wheel structure. Summary of the Invention

[0006] Based on the split-type underwater winch design, the present invention proposes a deep-sea large-capacity adjustable double-receiving type local static-sealing winch device.

[0007] A large-capacity adjustable double-receiving type local static-sealing winch device for deep sea proposed by the present invention includes a circular stepped winch, a floating body baffle, a floating body counterweight, a magnetic coupling, a motor, a connecting bracket and a frame. Among them, the circular stepped winch is a long cylinder with steps both inside and outside. The external steps are used to fix and limit the floating body baffle, and the internal steps are used to fix and limit the magnetic coupling, the motor and the electronic component assembly. The stator of the motor is fixed to the inside of the circular stepped winch by bolts, and the rotor of the motor is fixedly connected to the outer rotor of the magnetic coupling. The inner rotor of the magnetic coupling is connected to the transmission shaft by a shaft key, and the other end of the transmission shaft is fixed to the connecting bracket. The connecting bracket is connected to the frame. The floating body baffle and the floating body counterweight are installed outside the circular stepped winch. A space for receiving the cable is formed between adjacent floating body baffles. Embedded end caps are provided at both ends of the circular stepped winch. The embedded end caps are connected to the connecting bracket through bearings.

[0008] Preferably, the floating body baffle is a hollow circular ring plate, and its inner ring is provided with a stepped structure matching the external steps of the circular stepped winch.

[0009] Preferably, a cable guiding groove is reserved on the frame; a cable sleeve is installed in the cable guiding groove.

[0010] Preferably, a flow deflector is provided outside the circular stepped winch; the upper and lower ends of the flow deflector are respectively provided with openings facing each other, and the openings are slightly larger than the tangent distance from the maximum radius of cable retraction and release to the cable sleeve.

[0011] Preferably, reinforcing ribs are provided inside the flow deflector.

[0012] Preferably, the maximum outer diameter of the frame is slightly smaller than the minimum inner diameter of the connecting bracket

[0013] Preferably, the maximum outer diameter of the embedded end cap is larger than the maximum outer diameter of the circular stepped winch; its embedded part is sealed by a double-layer O-ring.

[0014] Preferably, a sensor opening and a cable opening are provided on the embedded end cap.

[0015] Through the split design, the present invention solves the limitations on the weight and volume of the winch device in the prior art. At the same time, the double-retraction and release structure and the external cable guiding frame are used to ensure the force neutrality of the underwater winch during the cable retraction and release process, ensuring the stable operation of the device. Secondly, due to the use of the magnetic coupling, the internal waterproof components are locally static-sealed, with a simple structure and remarkable waterproof and pressure-resistant effects. Finally, the floating body baffle adopts a quick-disassembly and quick-assembly design, which is convenient for disassembly and assembly and can use baffles with different diameters to adapt to different cable capacities, with strong compatibility. Most of the water-contact materials of the device are made of titanium alloy and POM (acetal), effectively avoiding the problem of long-term underwater corrosion. Description of the Drawings

[0016] Figure 1 This is the overall sectional view of the deep - sea large - capacity adjustable double - winch local static - seal winch device in the embodiment of the present invention;

[0017] Figure 2 This is the overview view of the deep - sea large - capacity adjustable double - winch local static - seal winch device in the embodiment of the present invention;

[0018] Figure 3 This is the schematic diagram of the internal structure of the fairing;

[0019] Figure 4 is Figure 3 sectional view of;

[0020] Figure 5 sectional view of the circular stepped winch;

[0021] Figure 6 This is the schematic diagram of the floating - body counterweight;

[0022] In the figure: 1. Cable sleeve; 2. Frame; 3. Floating - body counterweight; 4. Circular stepped winch; 5. Connecting bracket; 6. Shaft retainer; 7. Magnetic coupling; 8. Motor; 9. Electronic component assembly; 10. Floating - body baffle; 11. Fairing; 42. Magnetic - coupling end cover; 44. Cable opening; 45. Motor end cover; 43. First bearing; 46. Second bearing; 47. Sensor opening; 48. Upper cable - guiding channel; 49. Lower cable - guiding channel; 71. Outer rotor; 72. Isolation cover; 73. Inner rotor; 91. Electronic component box; 92. Electronic component; 74. Transmission shaft. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] A deep - sea large - capacity adjustable double - winch local static - seal winch device proposed by the present invention, its structure Figure 1 and 2 as shown, mainly consists of a frame 2, a connecting bracket 5, a circular stepped winch 4, a floating - body baffle 10, a floating - body counterweight 3, a fairing 11, and an internal magnetic coupling 7, a motor 8, and an electronic component assembly 9.

[0025] Among them, as Figures 2 to 6As shown, the circular stepped winch 4 is a long cylinder structure made of POM with steps both inside and outside. The internal steps are mainly used to fix and position the magnetic coupling 7, the motor 8, and the electronic component assembly 9. The external steps are used to fix and position the floating body baffle 10.

[0026] The stator of the motor 8 is connected to the inside of the circular stepped winch 4 by bolts, so that the circular stepped winch 4 is completely fixed to the motor stator. The rotor of the motor is clamped into the steps reserved in the outer rotor 71 of the magnetic coupling, and the outer rotor of the magnetic coupling and the rotor of the motor are completely fixed by bolts.

[0027] The isolation cover 72 of the magnetic coupling is fixed to the magnetic coupling end cover 42. There are reserved sealing ring grooves on the contact surface between the isolation cover 72 and the magnetic coupling end cover 42, which are used for local static sealing to ensure the normal operation of the motor and internal electronic components.

[0028] The inner rotor 73 of the magnetic coupling is inside the isolation cover 72 of the magnetic coupling, and the inner rotor 73 is connected to the transmission shaft 74 by a shaft key.

[0029] The other end of the transmission shaft 74 is square and is clamped into the connection bracket 5. At the same time, in order to ensure correct positioning, a shaft retainer 6 is used for fixation.

[0030] The electronic component assembly 9 is connected to the motor 8 and then limited by the circular stepped winch. A large number of electronic components 92 are fixed using an electronic component box 91 to ensure that the electronic components are stationary during operation. Secondly, the sensor is connected to the outside through a sensor opening 47 on the motor end cover 45.

[0031] The cables required by the electronic component assembly 9 are connected to the outside through a cable opening 44 on the motor end cover 45 to ensure the power supply system and information transmission system of the winch.

[0032] The magnetic coupling end cover 42 and the motor end cover 45 are respectively installed on the connection bracket 5 through the first bearing 43 and the second bearing 46, ensuring that the cylinder composed of the circular stepped winch 4 and the two end covers can rotate stably on the connection bracket 5. The magnetic coupling end cover, the motor end cover, and the circular stepped winch adopt an embedded design, and the embedded part is sealed by a double-layer O-ring.

[0033] The connection bracket 5 is fixed to the frame 2 by bolts. In order to ensure smooth winding and unwinding of the cable, a cable sleeve 1 is installed on the frame 2 to guide the cable to the center position both above and below.

[0034] The floating body baffle 10 and the floating body counterweight 3 are installed on the circular stepped winch, which can accommodate the cable while counterweighting the buoyancy and the center of gravity of the winch. In the present invention, there are three floating body baffles 10. The outer side of the floating body baffle 10 is regularly perforated to form a hollow structure, and a stepped structure matching the outer steps of the circular stepped winch 4 is provided on the inner ring. This is because the pressure of the cables on the outer ring on both sides is reduced, and it is also for the light weight of the device. A cable passage 48 and a lower cable passage 49 are reserved on the floating body counterweight 3.

[0035] The function of the flow guide cover 11 is to slow down the action of the fluid on the device through flow guiding, and openings are respectively provided at the upper and lower ends. The openings are slightly larger than the tangent connection of the maximum radius of cable retraction and release to the cable sleeve 1 to ensure the smooth retraction and release of the cable. The inside of the flow guide cover 11 is reinforced with reinforcing ribs respectively to ensure its integrity under long-term seawater impact.

[0036] After the two cables are respectively led out through the cable openings 44, they are respectively connected to the cable grooves of the cables through the upper cable passage 48 and the lower cable passage 49. Among them, in order to ensure the sealing of the cable openings, a watertight joint is used to connect with the internal cabin.

[0037] The winch device of the present invention retracts and releases the cable by respectively passing the two cables through the cable guide grooves reserved in the upper and lower frames 2, and then installing the cable sleeve 1. The cable sleeve 1 is made of polytetrafluoroethylene material and is fixed at the lower end by a retaining ring to prevent the cable from taking out the cable sleeve during the retraction and release process. Then the cables are respectively wound closely around the middle baffle. After winding one or two layers, they are led to the motor end cover 45 through the upper cable passage 48 and the lower cable passage 49 reserved by the circular stepped winch 4, the floating body baffle 10 and the floating body counterweight 3, and are connected and fixed to the watertight joint fixed on the motor end cover to complete the cable installation operation of the underwater winch.

[0038] The middle floating body baffle can be directly pushed through the lower stepped side and clamped to the higher step, and then the floating body baffle and the circular stepped winch are fixed with nuts. Then the two side floating body baffles are respectively pushed from both ends and clamped to the steps on both sides. Finally, the floating body counterweight is directly pushed into the circular stepped winch, squeezing the two side floating body baffles. At this time, the external parts of the circular stepped winch have been installed.

[0039] Install the motor 8 through the side with the larger stepped hole, such as Figure 2 on the left side, and then use nuts to fix the circular stepped winch to the motor. Then install the outer rotor of the magnetic coupling on the right end as shown in Figure 2 . After the outer rotor is aligned with the motor, countersunk bolts are installed through the inside of the inner rotor to completely fix it to the rotor of the motor. Then install the electronic component 92 into the electronic component box 91 and push it into the circular stepped winch from the left end as shown in Figure 2 , that is, the installation of the internal parts of the circular stepped winch is completed.

[0040] After installing two O-rings for sealing on the motor end cover 45, install it on the left side of the circular stepped winch and fix it to the circular stepped winch with bolts. Since the maximum outer diameter of the end cover is larger than that of the circular stepped winch, it can hold the left floating body counterweight installed in the previous step, thus ensuring that all the floating bodies on the left side of the winch are fixed. Figure 2 After fixing the inner rotor 73 of the magnetic coupling to the transmission shaft 74 with a shaft key, install bolts to fix the transmission shaft and the inner rotor to ensure the connection is fixed. Then insert the transmission shaft into the magnetic coupling end cover 42. After installing the isolation cover sealing ring of the magnetic coupling 7, put it on the inner rotor that has been inserted into the end cover, and then fix the isolation cover to the magnetic coupling end cover with bolts. After installing the installed right end cover into the installed outer rotor, fix it to the circular stepped winch with bolts in the same way as the left side.

[0041] At this time, the winch cylinder and the cable have been installed. Then install the bearings of the two end covers. As for the right side, it needs to be fixed with a retaining ring and then push on the connecting brackets 5 on both sides. Then install the shaft stops on both sides for limiting. Finally, align the frame 2 with the reserved holes of the connecting brackets 5 to complete the installation of the main structure of the underwater winch. Finally, cover the fairing 11 on the outside of the winch cylinder device, and then use bolts and nuts to position the round holes reserved on the contact surfaces of the two fairings.

[0042] At this time, the winch cylinder and the cable have been installed. Then install the bearings of the two end covers. Figure 2 For the right side, it needs to be fixed with a retaining ring and then push on the connecting brackets 5 on both sides. Then install the shaft stops on both sides for limiting. Finally, align the frame 2 with the reserved holes of the connecting brackets 5 to complete the installation of the main structure of the underwater winch. Finally, cover the fairing 11 on the outside of the winch cylinder device, and then use bolts and nuts to position the round holes reserved on the contact surfaces of the two fairings.

[0043] The present invention discloses a deep-sea large-capacity adjustable double-receiving type partial static-sealing winch device. The frame 2 is provided with a single centering cable groove and an overall centering device for winding and unwinding the cable, which can better make the cable neatly placed in the cable groove relatively, and can also ensure the centering stability of the device during the cable winding and unwinding process. Secondly, it is made of titanium alloy material to ensure that the device structure will not fail due to corrosion during long-term use in the deep sea. The tail end of the frame is installed in the deep hole reserved in the connecting bracket 5. The maximum outer diameter of the frame is slightly smaller than the minimum hole diameter of the connecting bracket, ensuring that there is a gap during installation so that the frame tube can be filled with seawater, reducing the pressure on the frame and increasing the service life. It is fixed to the connecting bracket through bolts and nuts. The middle points of the four sides of the connecting bracket are respectively provided with lifting lugs, which are convenient for the transportation and hoisting of the device. At the same time, the connecting bracket also serves as a limiting device for the winch cylinder. Since the distance that the frame inserts into the connecting bracket is fixed, the distance between the connecting brackets is also fixed accordingly. The position of the middle winch cylinder is limited by the shaft stops 6 on both sides. At the same time, in order to ensure the normal rotation of the circular stepped winch, the first bearing 43 and the second bearing 46 are respectively installed on the connecting bracket 5 to ensure normal operation under strong radial force. At the same time, the bearings are fixed with retaining rings to ensure that the cylindrical roller bearings operate within the designed range. Finally, the two ends of the circular stepped winch 4 are respectively and evenly connected and fixed to the magnetic coupling end cover 42 and the motor end cover 45 through countersunk nuts. Two O-ring grooves are respectively provided on the two end covers for sealing.

[0044] The embedded connection contact surfaces of the circular stepped winch 4 and the two end covers adopt interference fit to ensure the high-pressure static sealing safety of the device. Secondly, the maximum outer diameter of the end cover is larger than the maximum outer diameter of the circular stepped winch, ensuring that the middle floating structure can be clamped by the end cover.

[0045] The floating body baffle 10 and the floating body counterweight 3. Only the middle floating body baffle needs to be installed from one end of a specific small step, such as Figure 1 installed on the left side. The other two side floating body baffles and floating body counterweights are respectively installed from both ends of the winch in the order of first placing the floating body baffle and then placing the attached body counterweight. The fairing 11 can be directly covered on the floating body winch after the device is fully installed and can be normally debugged. Then it can be positioned and fixed through the round holes on the contact surface of the two fairings.

[0046] Internal structure: magnetic coupling coupling 7, motor 8, electronic components 9. First, install the motor and fix it on the circular stepped winch. Then, install the outer rotor 71 of the magnetic coupling coupling on the rotor of the motor. Next, connect the inner rotor and the transmission shaft and place them in the hole of the magnetic coupling end cover. After covering the isolation cover of the magnetic coupling coupling on the inner rotor and fixing it to the magnetic coupling end cover, install it on the already installed outer rotor. Finally, assemble the electronic components and the electronic component box, connect the electronic components to the motor, and push them into the circular stepped winch. Then, install the sealed end of the watertight joint on the motor end cover, connect it to the electronic components, and install the motor end cover to complete the installation of the winch.

[0047] In this embodiment, the clockwise or counterclockwise rotation of the motor can drive the rotation of the winch. Since the rotor of the motor is fixed to the bracket through the magnetic coupling coupling, the rotor of the motor is fixed. The stator of the motor is connected to the circular stepped winch, and the circular stepped winch is fixed at both ends with bearings, so the circular stepped winch can rotate freely. Therefore, the stator of the motor will drive the winch to rotate to complete the task of winding and unwinding the cable.

Claims

1. A deep-sea large-capacity adjustable double-receiving type partial static seal winch device, characterized in that: It includes a circular stepped winch, a floating body baffle, a floating body counterweight, a magnetic coupling, a motor, a connecting bracket and a frame; wherein, the circular stepped winch is a long cylinder with steps both inside and outside, the external steps are used to fix and limit the floating body baffle, and the internal steps are used to fix and limit the magnetic coupling, the motor and the electronic component assembly; the stator of the motor is fixed to the inside of the circular stepped winch by bolts, and the rotor of the motor is fixedly connected to the outer rotor of the magnetic coupling; the inner rotor of the magnetic coupling is connected to the transmission shaft by a shaft key, and the other end of the transmission shaft is fixed to the connecting bracket; the connecting bracket is connected to the frame; the floating body baffle and the floating body counterweight are installed outside the circular stepped winch; a space for storing the cable is formed between adjacent floating body baffles; both ends of the circular stepped winch are provided with embedded end covers; the embedded end covers are connected to the connecting bracket through bearings.

2. The deep-sea large-capacity adjustable double-receiving type partial static seal winch device according to claim 1, characterized in that: The floating body baffle is a hollow circular ring plate, and its inner ring is provided with a stepped structure that matches the external steps of the circular stepped winch.

3. The deep-sea large-capacity adjustable double-receiving type partial static seal winch device according to claim 1, characterized in that: A cable guiding groove is reserved on the frame; a cable sleeve is installed in the cable guiding groove.

4. The deep-sea large-capacity adjustable double-receiving type partial static seal winch device according to claim 3, characterized in that: A flow deflector is arranged outside the circular stepped winch; the upper end and the lower end of the flow deflector are respectively provided with opposite openings, and the openings are slightly larger than the distance between the tangential connection lines of the maximum radius of cable retraction and release on both sides to the cable sleeve.

5. The deep-sea large-capacity adjustable double-receiving type local static seal winch device according to claim 4, characterized in that: Reinforcing ribs are arranged inside the flow deflector.

6. The deep-sea large-capacity adjustable double-receiving type partial static seal winch device according to claim 1, characterized in that: The maximum outer diameter of the frame is slightly smaller than the minimum inner diameter of the connecting bracket.

7. The deep-sea large-capacity adjustable double-receiving type partial static-sealing winch device according to claim 1, characterized in that: The maximum outer diameter of the embedded end cover is larger than the maximum outer diameter of the circular stepped winch; its embedded part is sealed by a double-layer O-ring.

8. The deep-sea large-capacity adjustable double-receiving type partial static-sealing winch device according to claim 1, characterized in that: The embedded end cover is provided with a sensor opening and a cable opening.

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